Infrared

Origin

Latin infra, below, + red

Full definition of infrared

Noun

1. electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm

Adjective

1. Having the wavelength in the infrared.infrared lightinfrared wavesinfrared radiation
2. In the infrared spectrum.

Derived terms